RE: ext4 damage suspected in between 5.15.167 - 5.15.170

[David Laight]

....
> > The location of block allocation bitmaps never gets changed, so this
> > sort of thing only happens due to hardware-induced corruption.
> 
> Well, unless e.g. some modified sectors start being flushed to random
> wrong offsets, like in [1] above, or something similar.

Or cutting the power in the middle of SSD 'wear levelling'.

I've seen a completely trashed disk (sectors in completely the
wrong places) after an unexpected power cut.

	David

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